Classifications

• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K31/00—Medicinal preparations containing organic active ingredients
  • A61K31/33—Heterocyclic compounds
  • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
  • A61K31/41—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with two or more ring hetero atoms, at least one of which being nitrogen, e.g. tetrazole
  • A61K31/415—1,2-Diazoles
  • A61K31/416—1,2-Diazoles condensed with carbocyclic ring systems, e.g. indazole
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K31/00—Medicinal preparations containing organic active ingredients
  • A61K31/33—Heterocyclic compounds
  • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
  • A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
  • A61K31/4353—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom ortho- or peri-condensed with heterocyclic ring systems
  • A61K31/437—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom ortho- or peri-condensed with heterocyclic ring systems the heterocyclic ring system containing a five-membered ring having nitrogen as a ring hetero atom, e.g. indolizine, beta-carboline
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K9/00—Medicinal preparations characterised by special physical form
  • A61K9/0012—Galenical forms characterised by the site of application
  • A61K9/0048—Eye, e.g. artificial tears
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
  • A61P27/00—Drugs for disorders of the senses
  • A61P27/02—Ophthalmic agents
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
  • C07D231/54—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings condensed with carbocyclic rings or ring systems
  • C07D231/56—Benzopyrazoles; Hydrogenated benzopyrazoles
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D471/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
  • C07D471/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains two hetero rings
  • C07D471/04—Ortho-condensed systems

Definitions

• the present disclosure relates to a use of a naphthylurea compound.
• the cornea is an important component of the refractive media of the eye, which is transparent and avascular.
• the transparent cornea is very important to maintain the function of the eyes to see light.
• the avascular state of the cornea is based on the low level of angiogenic factors and the high level of anti-angiogenic factors. In pathological conditions, a balance between the angiogenic factors and the anti-angiogenic factors of the corneal is disrupted, resulting in pathological conical neovascularization (CNV).
• CNV pathological conical neovascularization
• the technical problem to be solved by the present disclosure is the single structure of existing medicaments for treating ophthalmic diseases related to corneal neovascularization. Therefore, the present disclosure provides a use of a naphthylurea compound.
• the compounds can treat the ophthalmic diseases related to corneal neovascularization by administration method of eye drops, fill the gaps in the field, and have significant social and economic benefits.
• the present disclosure provides a use of a substance A in the manufacture of a medicament, wherein the substance A is a naphthylurea compound as shown in formula I, a pharmaceutically acceptable salt thereof, a solvate thereof, a solvate of the pharmaceutically acceptable salt thereof, a crystal form thereof or a tautomer thereof, and the medicament is a medicament for treating a corneal neovascular disease;
• the halogen may be fluorine, chlorine, bromine or iodine, for example, the halogen is fluorine.
• the C 1 -C 6 alkyl may be C 1 -C 3 alkyl, for example, the C 1 -C 6 alkyl is methyl, ethyl, n-propyl or isopropyl.
• the 5- to 6-membered heterocycloalkyl may be 5- to 6-membered heterocycloalkyl containing one N, for another example, the 5- to 6-membered heterocycloalkyl is
• n is 2 or 3 (e.g., 3).
• R 1 , R 2 , R 3 , R 4 , and R 5 are independently C 1 -C 3 alkyl (e.g., methyl), and others are independently halogen or H.
• R 1 , R 2 , R 3 , R 4 , and R 5 are independently H, and others are independently halogen (e.g., fluorine) or C 1 -C 3 alkyl (e.g., methyl).
• the naphthylurea compound as shown in formula I is selected from any one of the following structures:
• the dosage form of the medicament may be an eye drop.
• the mass concentration of the substance A is 10-30 mg/mL (e.g., 20 mg/mL).
• the eye drop refers to a sterile liquid formulation prepared from a medicament and an appropriate ophthalmic pharmaceutical excipient.
• the eye drop may be an aqueous solution eye drop, an oily solution eye drop, a suspension eye drop or an emulsion eye drop.
• the present disclosure also provides a pharmaceutical composition, comprising the above substance A and an ophthalmic pharmaceutical excipient.
• the pharmaceutical composition is a pharmaceutical composition for treating a corneal neovascular disease.
• the dosage form of the pharmaceutical composition may be an eye drop.
• the mass concentration of the substance A is 10-30 mg/mL (e.g., 20 mg/mL).
• the present disclosure also provides a substance A for treating a corneal neovascular disease, wherein the substance A is as described above.
• the present disclosure provides a method for treating a corneal neovascular disease in a patient in need thereof, comprising: administrating a therapeutically effective amount of the above substance A or the above pharmaceutical composition to the patient in need thereof.
• the substance A or the pharmaceutical composition may be “administrated” in the form of an eye drop.
• the patient may be a mammal, for example, the patient is a rabbit or human.
• the substance A or the pharmaceutical composition may be administered according to a conventional dosage, and based on the substance A, a non-limiting example range may be 1-3 mg/eye (single dosage), for example, the dosage is 1 mg/eye.
• the frequency of administration of the substance A or the pharmaceutical composition may be four times a day.
• pharmaceutically acceptable salt refers to salt prepared from the compound of the present disclosure and a relatively non-toxic and pharmaceutically acceptable acid or alkali.
• an alkali addition salt can be obtained by allowing a sufficient amount of pharmaceutically acceptable alkali to be in contact with the compound in the neutral form in a pure solution or an appropriate inert solvent.
• the pharmaceutically acceptable alkali includes, but is not limited to, lithium salt, sodium salt, potassium salt, calcium salt, aluminium salt, magnesium salt, zinc salt, bismuth salt, ammonium salt, and diethanolamine salt.
• an acid addition salt can be obtained by allowing a sufficient amount of pharmaceutically acceptable acid to be in contact with the compound in the neutral form in a pure solution or an appropriate inert solvent.
• the pharmaceutically acceptable acid includes inorganic acid, and the inorganic acid includes, but is not limited to, hydrochloric acid, hydrobromic acid, hydroiodic acid, nitric acid, carbonic acid, phosphoric acid, phosphorous acid, sulfuric acid, etc.
• the pharmaceutically acceptable acid includes organic acid, and the organic acid includes, but is not limited to, acetic acid, propionic acid, oxalic acid, isobutyric acid, maleic acid, malonic acid, benzoic acid, succinic acid, suberic acid, trans-butenedioic acid, lactic acid, mandelic acid, phthalic acid, benzenesulfonic acid, p-toluenesulfonic acid, citric acid, salicylic acid, tartaric acid, methanesulfonic acid, isonicotinic acid, acidic citric acid, oleic acid, tannic acid, pantothenic acid, bitartrate, ascorbic acid, gentisic acid, fumaric acid, gluconic acid, saccharic acid, formic acid, ethanesulfonic acid, pamoic acid (i.e., 4,4′-methylene-bis(3-hydroxy-2-naphthoic acid)), amino acid (e.
• the compound of the present disclosure contains relatively acidic functional groups and relatively alkaline functional groups, it can be converted into an alkali addition salt or an acid addition salt.
• an alkali addition salt or an acid addition salt for details, see Berge et al., “Pharmaceutical Salts”, Journal of Pharmaceutical Science 66: 1-19 (1977), or Handbook of Pharmaceutical Salts: Properties, Selection, and Use (P. Heinrich Stahl and Camille G. Wermuth, ed., Wiley-VCH, 2002).
• solvate refers to a substance formed by combining the compound of the present disclosure with a stoichiometric or non-stoichiometric amount of solvent. Solvent molecules in the solvate can exist in an ordered or non-ordered arrangements.
• the solvent includes, but is not limited to, water, methanol, ethanol, etc.
• solvate of pharmaceutically acceptable salt the “pharmaceutically acceptable salt” and the “solvate” are as described above, and the “solvate of the pharmaceutically acceptable salt” refers to a substance formed by combining the compound of the present disclosure, a relatively non-toxic and pharmaceutically acceptable acid or alkali of 1 with a stoichiometric or non-stoichiometric amount of solvent of 2.
• the “solvate of pharmaceutically acceptable salt” includes, but is not limited to, a hydrochloric acid monohydrate of the compound of the present disclosure.
• tautomer refers to a functional group isomer generated by the rapid movement of a certain atom in a molecule between two positions. For example, acetone and 1-propen-2-ol can be converted into each other by the rapid movement of a hydrogen atom between oxygen and ⁇ -carbon.
• crystal form refers to a crystal form in which ions or molecules are strictly and periodically arranged in a three-dimensional space in a certain way, and have a regular repetition interval at a certain interval; due to the difference in the periodic arrangement, a plurality of crystal forms, i.e., polymorphism phenomena, may exist.
• alkyl refers to a linear or branched alkyl having the specified number of carbon atoms.
• alkyl include methyl, ethyl, n-propyl, isopropyl, n-butyl, tert-butyl, isobutyl, sec-butyl, n-pentyl, n-hexyl, and similar alkyl.
• heterocycloalkyl refers to a saturated monocyclic group containing heteroatoms.
• ophthalmic pharmaceutical excipient refers to a vehiculum and additive that are used during medicament production or prescription deployment, which includes all other substance in a pharmaceutical formulation rather than active ingredients.
• ophthalmic pharmaceutical excipient refers to a vehiculum and additive that are used during medicament production or prescription deployment, which includes all other substance in a pharmaceutical formulation rather than active ingredients.
• treatment refers to a therapeutic therapy.
• the treatment refers to: (1) alleviation of one or more biological manifestations of a disorder or disease, (2) interfering with (a) one or more points in the biological cascade leading to or causing a disease or (b) one or more biological manifestations of the disease, (3) improvement of one or more symptoms, effects or side effects associated with the disease, or one or more symptoms, effects or side effects associated with the disease or treatment thereof, or (4) slowdown of the progression of a disease or one or more biological manifestations of the disease.
• terapéuticaally effective amount refers to an amount of compound that, when administered to a patient in need thereof, is sufficient to effectively treat the disorders or diseases described herein.
• the “therapeutically effective amount” is changed according to the compound, the disease and its severity, and the age of the patient to be treated, but can be adjusted as needed by those skilled in the art.
• patient refers to any animal, preferably a mammal, and most preferably a human, to whom the compound or composition will be or has been administered according to embodiments of the present disclosure.
• mammal includes any mammal. Examples of the mammal include, but are not limited to, cow, horse, sheep, pig, cat, dog, mouse, rat, rabbit, guinea pig, monkey, human, etc., and most preferably a human.
• conical neovascular disease refers to an ophthalmic disease caused by conical neovascularization.
• the positive and progressive effect of the present disclosure is that the naphthylurea compounds of the present disclosure can treat the corneal neovascular disease by administration method of eye drops, fill the gaps in the field, and have significant social and economic benefits.
• the main inspection contents comprised the general state, body weight measurement, ophthalmic examination, and conical fluorescent staining of the animal. All the animals finally comprised in the official test were healthy and did not have abnormal ocular surface.
• the IACUC number of the present test was IACUC-B2019030-P001-01.
• the method used in the present animal test was a highly recognized operation method determined by consulting a large number of literatures. During the test, the animals experiencing brief, mild pain or discomfort were appropriately administrated with local anaesthetics to alleviate the symptoms.
• ear tags and cage cards were used as animal identification labels
• the first digit of the serial number of the animal represents the group (1, 2, 3, 4, and 5 represent the model control group, the A01 group, the A02 group, the A03 group, and the B01 group, respectively).
• the second alphabet represents the sex (M represents male, and F represents female), and the third, fourth, and fifth digits represent the sequence number of the animal
• the Japanese white rabbits were narcotized for the first time with pentobarbital sodium (25 mg/kg, injected via ear vein), and the periphery of the eye was sterilized with 0.5% povidone-iodine and covered with a specialized ophthalmic operation towel, and the upper and lower eyelids were separated by using an eye speculum to expose the eyeball.
• 1-2 drops of oxybuprocaine hydrochloride eye drops were administrated to both eyes for local anaesthesia, then gentian violet was used to radially label the upper 1 ⁇ 4 of the cornea, and the first line of corneal sutures with a length of about 3.8 mm was sutured to a position, parallel to and about 1.5 mm away from the corneal limbus, of the corneal stroma; the second line of sutures with a length of about 3 mm was sutured to a position, parallel to and 1.5 mm away from the first line; the last suture was sutured at the vertex of a triangle 1.5 mm away from the second line of sutures. Both eyes were modelled.
• antibiotic was administrated to the eyes three times a day for continuous three days.
• the A01, A02, A03, and B01 administration formulation were administrated to the A01 group, the A02 group, the A03 group, and the B01 group, respectively.
• 0.1% sodium chloride sterile water for injection was administrated to the model control group.
• the eye drops were administrated to the animals in each group from the second day after modelling. Dosage design is shown in Table 6:
• the rabbits in each group were in good mental state, and had normal autonomic activity, the skin and hair were clean, and no abnormal response was found in food intake, feces, and urine.
• the rabbit numbered 2M004 in the A01 group had an accident during the operation, so the data of this animal was missing.
• the corneal sutures were in place, and slight edema of the cornea and conjunctiva occurred, which indicated that the models were successfully made.
• the slit-lamp examination showed that the corneal sutures were in place, slight edema of the cornea at the suture site occurred, and corneal neovascularization developed from the corneal edge to the corneal vertex, which indicated that neovascularization grew with time.
• the area of corneal neovascularization showed a gradually increasing trend, and was 3.5 ⁇ 1.6 mm 2 and 7.6 ⁇ 2.5 mm 2 , respectively, and the percentage of the area of conical neovascularization was 6.7 ⁇ 3.0% and 15.2 ⁇ 7.1%, respectively.
• the area of conical neovascularization was gradually increased, and was 0.6 ⁇ 1.1 mm 2 and 4.0 ⁇ 3.4 mm 2 , respectively, and the percentage of the area of corneal neovascularization was 1.2 ⁇ 2.5% and 8.2 ⁇ 7.0%, respectively.
• Differences between the area of corneal neovascularization and its percentage in the A01 group on the seventh day after administration and those in the model control group had statistical significance (P ⁇ 0.05).
• the area of conical neovascularization was gradually increased, and was 0.7 ⁇ 1.2 mm 2 and 3.1 ⁇ 2.1 mm 2 , respectively, and the percentage of the area of corneal neovascularization was 1.3 ⁇ 2.3% and 6.4 ⁇ 4.4%, respectively.
• Differences between the area of corneal neovascularization and its percentage in the A02 group on the seventh day after administration and those in the model control group had statistical significance (P ⁇ 0.05), and differences between the area of corneal neovascularization in the A02 group on the fourteenth day after administration and those in the model control group had statistical significance (P ⁇ 0.05).
• the area of corneal neovascularization was gradually increased, and was 0.4 ⁇ 0.8 mm 2 and 3.4 ⁇ 2.4 mm 2 , respectively, and the percentage of the area of corneal neovascularization was 0.8 ⁇ 1.4% and 5.9 ⁇ 4.2%, respectively.
• Differences between the area of corneal neovascularization and its percentage in the A03 group on the seventh and fourteenth days after administration and those in the model control group had statistical significance (P ⁇ 0.05).
• the area of conical neovascularization was gradually increased, and was 1.1 ⁇ 1.0 mm 2 and 7.8 ⁇ 4.5 mm 2 , respectively, and the percentage of the area of corneal neovascularization was 2.4 ⁇ 2.3% and 16.2 ⁇ 11.4%, respectively.
• Differences between the area of conical neovascularization and its percentage in the B01 group on the seventh day after administration and those in the model control group had statistical significance (P ⁇ 0.05).
• corneal neovascularization in the Japanese white rabbits was induced by using conical sutures, and A01, A02, A03 and B01 were administered via eye drops and treated at 4 mg/eye/day; a slit-lamp examination was performed on the second, fourth, seventh days after administration; and the area of corneal neovascularization on the seventh and fourteenth days after administration was recorded.
• Results indicate that A03 administrated according to the dosage of 4 mg/eye/day (1 mg/eye/time) had an obvious inhibitory effect on conical neovascularization in the rabbits, A02 administrated according to the dosage of 4 mg/eye/day (1 mg/eye/time) had a certain inhibitory effect on corneal neovascularization in the rabbits, A01 administrated according to the dosage of 4 mg/eye/day (1 mg/eye/time) had a tendency to inhibit corneal neovascularization in rabbits, and B01 administrated according to the dosage of 4 mg/eye/day (1 mg/eye/time) had an obvious inhibitory effect on corneal neovascularization on the seventh day after administration, but had no obvious inhibitory effect on conical neovascularization on the fourteenth day (late stage) after administration. That is, in the models, the above compounds had different inhibitory effects on corneal neovascularization in the rabbits.

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